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Guatemala Earthquake Pictures
February 4, 1976
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Disrupted stone fence. The fence here is offset 280 centimeters in a sinistral sense and 65 centimeters vertically with the south side relatively downthrown. View is north. Photo by G. Plafker.
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Slickensided shear zone that dips 80 degrees north along the margin of the shear zone shown in a highway cut near El Progreso. The grooves on this fault plane plunge 10 degrees west. Sinistral slip at this locality is approximately 120 centimeters.
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Along Motagua fault trace where it crosses the Gualan soccer field. Note that "mole track" which is best developed in hard packed, brittle surface materials.
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Along railroad tracks that were kinked and offset approximately 107 centimeters in a sinistral sense where crossed by the Motagua fault, which is perpendicular to the tracks. This is one of numerous localities at which the main railroad line between the coastal port of Puerto Barrios and Guatemala City was disrupted by the faulting.
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Westward along the Motagua fault trace in the lower Motagua Valley. The trace here is marked by the dark line of fissures extending from the creek in the foreground through the giant ceiba (balsam) tree trunk and then along a prominent north facing scarp in the background. The tree was split and toppled by fault movement of at least 72 centimeters sinistral and 37 centimeters down to the north displacement. The vegetation- covered north facing scarp behind the tree, which is 5 meters high, was probably formed by many repeated earlier movements along this same trace.
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Or See Other Earthquakes
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Credits: All earthquake photographs courtesy of the U.S. Geological Survey.
Event Photographer:
No Name, but from U.S. Geological Survey Open-File Report 77-165
Note: YupRocks makes no copyright claims on these earthquake photographs - they are public domain and may be freely distributed. |
